Extinct baleen whales, such as Aetiocetus weltoni (top; ~25 million years old) possessed teeth with enamel. Living baleen whales (bottom) lack teeth and feed on minute organisms with their brush ...

Baleen whales evolved bristly baleen plates instead of teeth, which filter or trap krill, plankton and small fish inside their mouths. The 14 baleen species include the rorqual family—slender, ...

The evolution of filter feeding. The ancestors of cetaceans used to live on land until around 50 million years ago when they began to move back into the oceans.. Researchers believe that baleen whales ...

Most species of baleen whale travel between 1,800 and 3,000 miles each way. Southern populations of humpback whales leave their Antarctic feeding grounds in January every year and spend three ...

Baleen whales are among the biggest creatures on Earth—science is revealing new secrets about their size. People often think of all whales as giants of the sea when in fact they vary in size ...

The largest dataset of cetacean genes ever collated has helped Flinders University scientists deep dive into the blue to fathom the triumph of baleen whale evolution. The new study, published in ...

Baleen whales eat between 10 and 20 tons a day, a 2021 Nature report found. That’s the caloric equivalent of eating 70-80 thousand Big Macs per day, the researchers told NPR. What do blue whales ...

Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton diet from the water. More solitary than toothed whales, baleen ...

Scientists have long struggled to study how whales produce sound. A new paper in the journal Nature paints the most complete picture yet of how baleen whales produce their iconic, haunting calls.

The submarine-size ocean creatures were not always behemoths. Now, a new study has found that the secret to a whale’s size may be in its genes.

Baleen whales, including today’s blue, humpback, and fin whales rely on sounds to live in their watery world.Their songs must be able travel far in the murky, dark ocean so that they can find ...

Baleen whales include the blue whale, the largest animal ever known. Baleen whales are among the biggest creatures on Earth – science is revealing new secrets about their size Home ...